Module Name: src
Committed By: ozaki-r
Date: Sat Mar 15 07:49:15 UTC 2014
Modified Files:
src/external/cddl/osnet/dev/dtrace/arm: dtrace_asm.S
Log Message:
Enable invop handler on module load
It sets a fbt handler to dtrace_invop_jump_addr on module load,
which is used to call the dtrace probing function from the trap
handler.
To generate a diff of this commit:
cvs rdiff -u -r1.4 -r1.5 src/external/cddl/osnet/dev/dtrace/arm/dtrace_asm.S
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/external/cddl/osnet/dev/dtrace/arm/dtrace_asm.S
diff -u src/external/cddl/osnet/dev/dtrace/arm/dtrace_asm.S:1.4 src/external/cddl/osnet/dev/dtrace/arm/dtrace_asm.S:1.5
--- src/external/cddl/osnet/dev/dtrace/arm/dtrace_asm.S:1.4 Mon Mar 10 06:38:22 2014
+++ src/external/cddl/osnet/dev/dtrace/arm/dtrace_asm.S Sat Mar 15 07:49:15 2014
@@ -202,13 +202,24 @@ END(dtrace_copystr)
void dtrace_invop_init(void)
*/
ENTRY(dtrace_invop_init)
+ ldr r1, .Ldtrace_invop
+ ldr r2, .Ldtrace_invop_jump_addr
+ str r1, [r2]
RET
+ .align 0
+.Ldtrace_invop:
+ .word dtrace_invop
+.Ldtrace_invop_jump_addr:
+ .word dtrace_invop_jump_addr
END(dtrace_invop_init)
/*
void dtrace_invop_uninit(void)
*/
ENTRY(dtrace_invop_uninit)
+ mov r0, #0
+ ldr r1, .Ldtrace_invop_jump_addr
+ str r0, [r1]
RET
END(dtrace_invop_uninit)
